<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table表格区域 -->
      <el-table :data="goodsList" border stripe>
          <el-table-column type="index" label="序号"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column label="商品价格(元)" prop="goods_price" width="110px"></el-table-column>
          <el-table-column label="商品重量" prop="goods_weight" width="80px"></el-table-column>
          <el-table-column label="创建时间" prop="add_time" width="160px">
            <template v-slot="scope">
              {{scope.row.add_time | dateFormat}}
              <!-- scope.row.add_time是传递的第一个参数。这里的dateFormat可以通过括号形式传递参数 -->
            </template>
          </el-table-column>
          <el-table-column label="操作" width="130px">
            <template v-slot="scope">
              <el-button v-model="scope.row" icon="el-icon-edit" type="primary" size="mini"></el-button>
              <el-button v-model="scope.row" icon="el-icon-delete" type="danger" size="mini" @click="deleteGoods(scope.row.goods_id)"></el-button>
            </template>
          </el-table-column>
      </el-table>
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
      this.$message.success('获取商品列表成功')
    },
    handleSizeChange(newsize) {
      this.queryInfo.pagesize = newsize
      this.getGoodsList()
    },
    handleCurrentChange(newpage) {
      this.queryInfo.pagenum = newpage
      this.getGoodsList()
    },
    deleteGoods(goodsId) {
      this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        const { data: res } = await this.$http.delete(`goods/${goodsId}`)
        if (res.meta.status !== 200) {
          console.log(this.meta.status)
          return this.$message.error('删除商品失败')
        }
        this.$message.success('删除商品成功')
        this.getGoodsList()
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    // 点击添加商品按钮跳转路由到goods/add
    goAddpage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped></style>
